package lintCode;

/**
 * @author： pang-yun
 * @date： 2021-12-13 11:05
 * 功能目的 ：用于
 */

public class TreeNode {
      public int val;
      public TreeNode left, right;
      public TreeNode(int val) {
          this.val = val;
          this.left = this.right = null;
      }
  }